1 files changed, 126 insertions, 0 deletions
diff --git a/contrib/llvm-project/clang/lib/Basic/Version.cpp b/contrib/llvm-project/clang/lib/Basic/Version.cpp
new file mode 100644
index 000000000000..af3118b0f6da
--- /dev/null
+++ b/contrib/llvm-project/clang/lib/Basic/Version.cpp
@@ -0,0 +1,126 @@
+//===- Version.cpp - Clang Version Number -----------------------*- C++ -*-===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
+// This file defines several version-related utility functions for Clang.
+//
+//===----------------------------------------------------------------------===//
+
+#include "clang/Basic/Version.h"
+#include "clang/Basic/LLVM.h"
+#include "clang/Config/config.h"
+#include "llvm/Support/raw_ostream.h"
+#include <cstdlib>
+#include <cstring>
+
+#include "VCSVersion.inc"
+
+namespace clang {
+
+std::string getClangRepositoryPath() {
+#if defined(CLANG_REPOSITORY_STRING)
+  return CLANG_REPOSITORY_STRING;
+#else
+#ifdef CLANG_REPOSITORY
+  return CLANG_REPOSITORY;
+#else
+  return "";
+#endif
+#endif
+}
+
+std::string getLLVMRepositoryPath() {
+#ifdef LLVM_REPOSITORY
+  return LLVM_REPOSITORY;
+#else
+  return "";
+#endif
+}
+
+std::string getClangRevision() {
+#ifdef CLANG_REVISION
+  return CLANG_REVISION;
+#else
+  return "";
+#endif
+}
+
+std::string getLLVMRevision() {
+#ifdef LLVM_REVISION
+  return LLVM_REVISION;
+#else
+  return "";
+#endif
+}
+
+std::string getClangFullRepositoryVersion() {
+  std::string buf;
+  llvm::raw_string_ostream OS(buf);
+  std::string Path = getClangRepositoryPath();
+  std::string Revision = getClangRevision();
+  if (!Path.empty() || !Revision.empty()) {
+    OS << '(';
+    if (!Path.empty())
+      OS << Path;
+    if (!Revision.empty()) {
+      if (!Path.empty())
+        OS << ' ';
+      OS << Revision;
+    }
+    OS << ')';
+  }
+  // Support LLVM in a separate repository.
+  std::string LLVMRev = getLLVMRevision();
+  if (!LLVMRev.empty() && LLVMRev != Revision) {
+    OS << " (";
+    std::string LLVMRepo = getLLVMRepositoryPath();
+    if (!LLVMRepo.empty())
+      OS << LLVMRepo << ' ';
+    OS << LLVMRev << ')';
+  }
+  return OS.str();
+}
+
+std::string getClangFullVersion() {
+  return getClangToolFullVersion("clang");
+}
+
+std::string getClangToolFullVersion(StringRef ToolName) {
+  std::string buf;
+  llvm::raw_string_ostream OS(buf);
+#ifdef CLANG_VENDOR
+  OS << CLANG_VENDOR;
+#endif
+  OS << ToolName << " version " CLANG_VERSION_STRING;
+
+  std::string repo = getClangFullRepositoryVersion();
+  if (!repo.empty()) {
+    OS << " " << repo;
+  }
+
+  return OS.str();
+}
+
+std::string getClangFullCPPVersion() {
+  // The version string we report in __VERSION__ is just a compacted version of
+  // the one we report on the command line.
+  std::string buf;
+  llvm::raw_string_ostream OS(buf);
+#ifdef CLANG_VENDOR
+  OS << CLANG_VENDOR;
+#endif
+  OS << "Clang " CLANG_VERSION_STRING;
+
+  std::string repo = getClangFullRepositoryVersion();
+  if (!repo.empty()) {
+    OS << " " << repo;
+  }
+
+  return OS.str();
+}
+
+} // end namespace clang